By EMILY COCHRANE Last year, Tennessee’s lethal injection execution protocol underwent a striking transformation. The manual laying out the procedure was slashed in half, stripped down from 104 pages in a previous version to 44 pages. Details about certain staff and the single drug now at the heart of the protocol were shrouded in secrecy. And some directions were made vague or vanished altogether, including the requirement that execution teams practice inserting an IV line. Tennessee has…
